MC-3235: Add Missing P0-P1 MFTF Tests For Block

- Fixing failing test

Author: dhaecker

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminPageBuilderBlockTest.xml

@@ -541,8 +541,8 @@
             <argument name="padding" value="PageBuilderPaddingPropertyUnique"/>
             <argument name="index" value="2"/>
         </actionGroup>
-        <see selector="{{BlockOnStorefront.textContent(1, $$createPreReqBlock.content$$)}}" stepKey="seeBlockContentOnCmsStorefront1"/>
-        <see selector="{{BlockOnStorefront.textContent(2, $$createPreReqBlock.content$$)}}" stepKey="seeBlockContentOnCmsStorefront2"/>
+        <seeElement selector="{{BlockOnStorefront.textContent('1', $$createPreReqBlock.content$$)}}" stepKey="seeBlockContentOnCmsStorefront1"/>
+        <seeElement selector="{{BlockOnStorefront.textContent('2', $$createPreReqBlock.content$$)}}" stepKey="seeBlockContentOnCmsStorefront2"/>
     </test>
     <test name="BlockDelete">
         <annotations>